The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm GF 250mm F4 R LM OIS WR and the Fujifilm XF 100-400mm F4.5-5.6 for their suitability to various photography scenarios:
Size and Weight Comparison The size of a lens is a crucial factor to consider when comparing two lenses. Fujifilm XF 100-400mm F4.5-5.6 is the longer of the two lenses at 211mm. The Fujifilm GF 250mm F4 R LM OIS WR with a length of 204mm, is 7mm shorter. Besides being longer, the Fujifilm XF 100-400mm F4.5-5.6 also has a larger diameter of 95mm compared to the Fujifilm GF 250mm F4 R LM OIS WR's 61mm diameter.
Below you can find a scaled side-by-side image of Fujifilm GF 250mm F4 R LM OIS WR and Fujifilm XF 100-400mm F4.5-5.6 to get a better idea of how their sizes compare in real life.
Comparison image of the Fujifilm GF 250mm F4 R LM OIS WR and the Fujifilm XF 100-400mm F4.5-5.6 Size and Weight The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Fujifilm XF 100-400mm F4.5-5.6 weighs 1375g, 3% (50g) lighter than the Fujifilm GF 250mm F4 R LM OIS WR's weight of 1425g.
Filter Threads
The Fujifilm GF 250mm F4 R LM OIS WR has a filter size of 82mm whereas the Fujifilm XF 100-400mm F4.5-5.6 has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Fujifilm GF 250mm F4 R LM OIS WR:
And these are the 77mm filters that we recommend for the Fujifilm XF 100-400mm F4.5-5.6:
Lens Mounts
The Fujifilm GF 250mm F4 R LM OIS WR has the Fujifilm G lens mount whereas the Fujifilm XF 100-400mm F4.5-5.6 has the Fujifilm X lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm GFX Eterna 55 , Fujifilm GFX 100S II and Fujifilm GFX 100 II for the Fujifilm G Mount and Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Focal Range
Fujifilm GF 250mm F4 R LM OIS WR is a prime lens with fixed focal lenght of 250mm.
On the other hand, the Fujifilm XF 100-400mm F4.5-5.6 has a focal range of 100-400mm and 4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 150-600mm when used on a APS-C / DX format camera.
